Inventor
Leonid P. Dorfman
Inventor
Athens, PA, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B22Fprimary
B22FWorking metallic powder16%
C01GCompounds containing metals not covered by subclasses c01d or c01f16%
C04BLime, magnesia11%
C22CAlloys11%
H01HElectric switches11%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1011%
Y10TTechnical subjects covered by former us classification9%
H05KPrinted circuits7%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
H05HPlasma technique4%
PatentTitleYear
7,122,069'Mo-Cu composite powder'20067,045,113'Mo-Cu Composite powder'20066,375,708'Alloy for electrical contacts and electrodes and method of making'20026,103,392'Tungsten-copper composite powder'20005,956,560'Tungsten-copper composite powder'19995,470,549'Method of making tungsten-copper composite oxides'19955,468,457'Method of making tungsten-copper composite oxides'19955,374,802'Vortex arc generator and method of controlling the length of the arc'19945,296,670'DC plasma arc generator with erosion control and method of operation'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2006Patents assigned to OSRAM SYLVANIA INC (9)· patent assignee history
1994–2000Based in Athens, PA, US· patent location history
2002–2006Based in Sayre, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OSRAM SYLVANIA INC | 9 | 1994–2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Athens, Pennsylvania, US | 6 | 1994–2000 |
| Sayre, Pennsylvania, US | 3 | 2002–2006 |